[kevshaw@451]$ history
     1  cd pdb
     2  ls
     3  ls -l
     4  gzip pdb9rnt.ent
     5  ls -l
     6  gunzip pdb9rnt.ent.gz
     7  ls -l
     8  less pdb9rnt.ent
     9  gzip pdb9rnt.ent
    10  ls -l
    11  gzip -dv pdb9rnt.ent.gz
    12  less pdb9rnt.ent
    13  grep ^SEQRES pdb9rnt.ent
    14  grep SEQRES pdb9rnt.ent
    15  grep C$ pdb9rnt.ent
    16  less pdb9rnt.ent
    17  grep 'C $' pdb9rnt.ent
    18  grep 'C $' pdb9rnt.ent
    19  echo hello
    20  echo 'hello $USER'
    21  echo "hello $USER"
    22  env
    23  env | grep USER
    24  whoami
    25  echo "hello $USER"
    26  echo 'hello $USER'
    27  grep SEQRES pdb9rnt.ent
    28  grep SEQRES pdb9rnt.ent | cut -c20-70
    29  grep SEQRES pdb9rnt.ent | wc -l
    30  grep SEQRES pdb9rnt.ent | cut -c20-70
    31  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr ' ' '\n'
    32  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr ' ' '\n' | wc -l
    33  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr ' ' '\n'
    34  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr ' ' '\n' | grep ALA
    35  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr ' ' '\n' | grep ALA | wc -l
    36  echo bear
    37  echo bear | tr 'a' 'e'
    38  echo "water"
    39  echo "water" | tr 'ater' 'ine '
    40  echo "grep SEQRES pdb9rnt.ent | cut -c20-70 | tr ' ' '\n' | grep ALA | wc -l"
    41  echo "grep SEQRES pdb9rnt.ent | cut -c20-70 | tr ' ' '\n' | grep ALA | wc -l" > aacnt
    42  ls
    43  cat aacnt
    44  ls -l
    45  chmod x aacnt
    46  ls -l
    47  ./aacnt
    48  nano aacnt
    49  ./aacnt ALA
    50  nano aacnt
    51  ./aacnt ALA
    52  ./aacnt CYS
    53  ./aacnt TYR
    54  gfp -f 1ymb
    55  ls -al
    56  less 1YMB.pdb
    57  nano aacnt
    58  ./aacnt ALA pdb9rnt.ent
    59  ./aacnt ALA 1YMB.pdb
    60  nano aacnt
    61  ls
    62  rm 1YMB.pdb pdb9rnt.ent
    63  ls
    64  nano pdbs
    65  cat pdbs
    66  cat pdbs | gfp -f
    67  ls -l
    68  nano pdbs
    69  cd
[kevshaw@451]$